Battery charger



FIG. 1 is a front perspective view of my new design for a battery charger;

FIG. 2 is a top plan view with the carrying handle extended;

FIG. 3 is a bottom plan view with the handle extended;

FIG. 4 is a side elevational view taken from the right of FIG. 1;

FIG. 5 is a side elevational view taken from the left of FIG. 1;

FIG. 6 is a front elevational view with the handle extended;

FIG. 7 is a rear elevational view with the handle extended; and,

FIG. 8 is a perspective view with the cover in the open position.

Any portions of the inside which are not visible in FIG. 8 form no part of the claimed design. 

I claim the ornamental design for a battery charger, as shown and described. 